Literature DB >> 15377513

A live bioprobe for studying diatom-surface interactions.

Fernando Terán Arce1, Recep Avci, Iwona B Beech, Keith E Cooksey, Barbara Wigglesworth-Cooksey.   

Abstract

Atomic force microscopy has been employed to compare the adhesion of Navicula species I diatoms to surfaces of a hydrophobic elastomer, Intersleek, and a hydrophilic mineral, mica. This was accomplished using tipless atomic force microscopy cantilevers functionalized with live diatom cells. Both surfaces were tested with the same diatom bioprobe. Force versus distance curves generated during these experiments revealed comparable cell adhesion strengths on Intersleek and mica, indicating that Navicula diatoms secrete extracellular polymeric substances with hydrophobic and hydrophilic properties. A statistical analysis of force curves was carried out and the average values of works of detachment of a diatom from Intersleek and mica surfaces were determined.

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Year:  2004        PMID： 15377513      PMCID： PMC1304936          DOI： 10.1529/biophysj.104.043307

Source DB:  PubMed          Journal:  Biophys J        ISSN： 0006-3495            Impact factor:   4.033


  19 in total

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5.  Requirement for calcium in adhesion of a fouling diatom to glass.

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Journal:  Biophys J       Date:  2000-05       Impact factor: 4.033

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10.  Cell-cell and cell-surface interactions in an illuminated biofilm: implications for marine sediment stabilization.

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  7 in total

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3.  Responses of Acinetobacter baumannii Bound and Loose Extracellular Polymeric Substances to Hyperosmotic Agents Combined with or without Tobramycin: An Atomic Force Microscopy Study.

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5.  The role of the pH conditions of growth on the bioadhesion of individual and lawns of pathogenic Listeria monocytogenes cells.

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Review 7.  Marine polysaccharide networks and diatoms at the nanometric scale.

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  7 in total

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